TY  - BOOK
AU  - HERMAN BETZ
TI  - DIFFERNTIAL EQUATIONS WITH APPLICATIONS
U1  - GN517.38B466D2 
PY  - 1954///
CY  - NEW YORK
PB  - HARPER INTERNATIONAL EDITION HARPER R ROW, PUBLISHERS
KW  - DIFFERNTIAL EQUATIONS WITH APPLICATIONS
N1  - UNIVERSAL BOOK SERVICE
ER  -